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    Why This Works

    Second Grade is built on what research says helps young children learn. Here is what each part of the program does, and the evidence behind it.

    Daily "Remember?" review

    What we do

    Math and ELA lessons open with three quick questions from earlier weeks, and the answers are checked the same day.

    What the research says

    Practice spread out over time, and recalling answers from memory rather than rereading, help people keep what they learn. In one classroom study, second graders who practiced facts by recalling them (flashcards) became more fluent than those who chanted the facts aloud.

    For the youngest children, results are more mixed, so we keep review short and give the answers right away.

    Sources

    Step-by-step phonics with practice reading

    What we do

    Phonics is taught in a set order, and children practice with short texts that use the sounds they have learned, alongside read-alouds and real books.

    What the research says

    Systematic phonics instruction helps children learn to read words better than approaches without it. Texts built from taught letter-sound patterns add a smaller benefit, and work best alongside other reading.

    Sources

    Reading About Our World

    What we do

    Each week, one reading passage is about the same science or social studies topic the child is exploring, with key words and questions.

    What the research says

    Knowing about the world helps children understand what they read. Researchers call for reading programs that are aligned with the science and social studies children are learning.

    Measured gains from knowledge-building programs are real but modest in the short term; the benefit builds over years.

    Sources

    Blocks, then pictures, then numbers

    What we do

    New math ideas start with real objects like base-ten blocks or bundled straws, then drawings, then numbers alone.

    What the research says

    This concrete-representational-abstract sequence improves understanding of place value and computation, especially for children who find math hard. Strong early number skills predict later success in math.

    Sources

    Home connection activities

    What we do

    Short, specific activities for families to do together each week.

    What the research says

    A review of 19 randomized trials found that programs in which parents do academic activities with their children at home raised elementary achievement, even though most programs lasted only about 11 weeks.

    Sources

    Weekly checks with clear next steps

    What we do

    Every weekly check lists its "I can" goals and tells you exactly what to do next: move on, practice a skill a new way, or use a catch-up activity.

    What the research says

    Clear goals, checking progress and adjusting teaching are linked to higher achievement. Feedback alone is not enough; what matters is what you do next.

    Sources

    Further reading